Date: Thu, 3 Jun 2004 12:36:22 +0400
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.7-rc2: open() hangs on ReiserFS with SELinux enabled
Message-ID: <20040603083622.GA9918@school.ioffe.ru>
References: <20040602174810.GA31263@school.ioffe.ru> <1086201647.15871.135.camel@moss-spartans.epoch.ncsc.mil>
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From: mitya@school.ioffe.ru (Dmitry Baryshkov)
Sender: linux-kernel-owner@vger.kernel.org
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Hello,
On Wed, Jun 02, 2004 at 02:40:47PM -0400, Stephen Smalley wrote:
> On Wed, 2004-06-02 at 13:48, Dmitry Baryshkov wrote:
> > Hello,
> 
> The mount process shouldn't be in kernel_t, although that shouldn't
> cause a hang.  Is /sbin/init labeled properly?  Are you using the
> patched /sbin/init that loads policy and then re-execs itself into the
> proper security domain?

Yes and no.
strace & cut was produced using manual booting to shell,
mount /proc
mount /selinux
load_policy /etc/security/selinux/policy.17
strace mount / -o remount,rw

> 
> When the mount process is hung, what output do you get from pressing
> ALT-SysRq-t after enabling sysrq (echo 1 > /proc/sys/kernel/sysrq)?

Here is a part related to mount (sorry, it's copied by hand from
monitor. can't use serial console here.):

inode2sd+0xcc/0x120
pathrelse+0x20/0x30
reiserfs_update_sd_size+0x13a/0x1d0
rwsem_down_read_failed+0x8d/0x170
.text.lock.xattr+0xb5/0x22f
inode_doinit_with_dentry+0x2ea/0x560
d_instantiate+0x47/0x60
reiserfs_mkdir+0x29b/0x2d0
open_xa_dir+0xbe/0x160
get_xa_file_dentry+0x24/0x100
open_xa_file+0x5/0x40
reiserfs_xattr_set+0x8f/0x360
do_journal_end+0x75e/0xa70
vsprintf+0x12/0x20
sprintf+0x11/0x20
context_struct_to_string+0x108/0x170
reiserfs_setxattr+0xf4/0x190
post_create+0xfb/0x220
vfs_create+0xca/0x130
open_namei+0x3d0/0x420
filp_open+0x2d/0x60
sys_open+0x4d/0xa0
syscall_call+0x7/0xb

-- 
With best wishes
DMitry Baryshkov.
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